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07/26/2020
Best low-rank approximations and Kolmogorov n-widths
We relate the problem of best low-rank approximation in the spectral nor...
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09/30/2019
On the best constants in L^2 approximation
In this paper we provide explicit upper and lower bounds on the L^2n-wid...
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06/19/2019
Transfinite mean value interpolation over polygons
Mean value interpolation is a method for fitting a smooth function to pi...
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06/19/2019